https://pekko.apache.org/japi/pekko/snapshot/org/apache/pekko/cluster/singleton/ClusterSingletonManager.Internal$.StoppingData.html
ClusterSingletonManager.Internal$.StoppingData
declaration: package: org.apache.pekko.cluster.singleton, class: ClusterSingletonManager, class: Internal$, class: StoppingData
internal
https://pekko.apache.org/japi/pekko/1.1/org/apache/pekko/cluster/singleton/ClusterSingletonManager.Internal$.StoppingData$.html
ClusterSingletonManager.Internal$.StoppingData$
internal